Home / 25,769.04-38,651.12-8,235.78

Finding the Fourth Proportional to 25,769.04, 38,651.12 and 8,235.78

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Solution

The fourth proportional to 25,769.04, 38,651.12 and 8,235.78 is: 12,352.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,769.04 : 38,651.12 = 8,235.78 : x
  2. Step 2: Convert to fraction form
    25,769.04/38,651.12 = 8,235.78/x
  3. Step 3: Cross multiply
    25,769.04x = 38,651.12 × 8,235.78
  4. Step 4: Simplify right side
    25,769.04x = 318,322,121.07
  5. Step 5: Solve for x
    x = 318,322,121.07/25,769.04
  6. Step 6: Final answer
    x = 12,352.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.